DOWN4SOUND JP8 V1.5 - GREEN | 800+ wRMS Car Amplifier

(No reviews yet) Write a Review
  • Down4Sound DOWN4SOUND JP8 V1.5 - GREEN | 800+ wRMS Car Amplifier
  • Down4Sound DOWN4SOUND JP8 V1.5 - GREEN | 800+ wRMS Car Amplifier
  • Down4Sound DOWN4SOUND JP8 V1.5 - GREEN | 800+ wRMS Car Amplifier
  • Down4Sound DOWN4SOUND JP8 V1.5 - GREEN | 800+ wRMS Car Amplifier
MSRP: $299.99
— You save $100.00


Welcome to the realm of power and elegance with the Green JP8 800W+ RMS Monoblock Amplifier. Crafted with dedication and expertise, this amplifier showcases a formidable 800-watt output, a result of extensive research and development in Las Vegas, NV, and Dunnellon, FL. The Green JP8 merges the classic charm of Car Audio's original days with cutting-edge technology, offering an unparalleled performance. Explore its features, Big D Wiz's testing results, tuning specifications, and more.

Key Features:

  • Retro-inspired Green SKOOL design from Down4Sound and Car Audio's original era.
  • Integrated cooling fan for superior performance and durability.
  • Plexi black plate and NEW ALUMINUM Bass Knob featuring a voltage and temperature meter.
  • Standard 1-year warranty for manufacturer defects.
  • Optional half-ohm warranty for extra security during .5 ohm setups.

Testing Results by Big D Wiz: Independent verification by Big D Wiz affirms the true power output of the Green JP8. Here are the confirmed RMS power ratings at 14.4 volts:

  • 4 OHM: 511 Watts RMS
  • 2 OHM: 892 Watts RMS
  • 1 OHM: 1256 Watts RMS

Our Testing Ratings (Worst Case Power Output):

  • RMS power, 1 ohm: 700W x 1 @ 12v | 850W x 1 @ 14.4v
  • RMS power, 2 ohms: 500W x 1 @ 12v | 650W x 1 @ 14.4v
  • RMS power, 4 ohms: 490W x 1 @ 12v
  • RMS power, 2 ohm Linked: 2300W x 1 @ 14.4v

Tuning Specifications:

  • Frequency Response: 10 Hz - 270 Hz
  • Low Pass Filter: 35 Hz - 250 Hz
  • Subsonic Filter: 10 Hz - 50 Hz
  • Bass Boost: 0 - 9 dB
  • Input sensitivity: 6V - 0.2V
  • Signal to Noise Ratio: 97dB
  • T.H.D @ 4 ohm: less than 0.1%
  • Single unit fuse rating: 120A
  • Strapped fuse rating: 220A
  • Operating voltage: 9 to 16 Volts
  • Length x Width x Height (inches): 11.81" x 7.4" x 2.24"
  • Damping Factor: 100
  • Class: D - DIGITAL

Embark on the ultimate audio adventure with the Green JP8 800W+ RMS Monoblock Amplifier, and transform your car audio experience.

View AllClose

Warranty Information

Warranty Information

Your new Down4Sound product is covered by 1 limited warranty if purchased from Down4Sound or an authorized Down4Sound dealer. This warranty does not cover improper installation, accidental damage, misuse, abuse, improper wiring, operation of unit outside of listed specifications, or any product that has been modified or repaired by anyone other than Down4Sound. Your warranty covers defects in materials and/or workmanship ONLY and is not an insurance policy. The warranty only covers the original owner of the amplifier.

All warranty returns must be accompanied by the original sales invoice or receipt. You must contact us to request an RMA number prior to sending any returns via the RMA request form on our website. You are responsible for the cost of shipping your product back to us for warranty examination. If your product is covered under warranty, shipping back to you will be at no charge to you – if your product is replaced/repaired outside of warranty you must pay for return shipping and repair bill prior returning of the product or if no defect is found you are required to pay for return shipping only.

At the sole discretion of Down4Sound your product will be either repaired or replaced when it is being covered under warranty. In the event of shipping damage due to improper packaging on products being returned to Down4Sound the customer is liable for the cost of all damages, necessary repairs, or replacement. Be sure to properly pack your return!

*  Extended additional warranty purchased on amplifiers take in affect from the date of purchase and must also be stated on orginal sales invoice or receipt. 



Refund/Return Policy:


Down4Sound - Hours of Operation

Monday 6am - 9pm PDT
Tuesday 6am - 9pm PDT
Wednesday 6am - 9pm PDT
Thursday 6am - 9pm PDT
Friday 6am - 9pm PDT
Saturday 8am - 4pm PDT
Sunday Closed
View AllClose

0 Reviews

View AllClose